Wisconsin climate

World Climates covers 3 places in Wisconsin. By annual mean temperature, the warmest is Milwaukee (9 °C48 °F) and the coolest is Green Bay (8 °C46 °F). The wettest is Madison with 970 mm38 in of precipitation per year, the driest Green Bay with 878 mm35 in.

The most common climate types (Köppen classification computed from these averages) are hot-summer humid continental (Dfa, 2 places) and warm-summer humid continental (Dfb, 1 place).

The highest monthly average high is in Milwaukee (28 °C83 °F in July); the lowest monthly average low is in Madison (−12 °C10 °F in January).

Across the places in Wisconsin, the months that most often rank as the most comfortable are July, August and September (3, 3 and 3 of 3 places respectively).

Frequently asked questions

Which is the warmest place in Wisconsin?

By annual mean temperature, the warmest place in Wisconsin is Milwaukee at 9 °C48 °F. The coolest is Green Bay at 8 °C46 °F.

Where does it rain the most in Wisconsin?

Madison gets the most precipitation, 970 mm38 in in an average year. The driest place is Green Bay with 878 mm35 in.

How many places in Wisconsin does this site cover?

World Climates has climate data for 3 places in Wisconsin. Each one has a page with monthly averages for temperature, rainfall, humidity and daylight.

When is the best time to visit Wisconsin?

It depends on the place. Across Wisconsin, the months that most often rank as the most comfortable are July, August and September. Check the page of each city for its own best months.